Journal of Korean Society of Forest Science (한국산림과학회지)

Korean Society of Forest Science (한국산림과학회)
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A Study on Outlet Damage Prediction of Pipe Culverts in Forest Road

임도 횡단배수구의 유출구 피해 예측에 관한 연구

  • Kim, Myung Hwan (Department of Forest Management, Kangwon National University) ;
  • Hwang, Jin Seong (Forest Technology and Management Research Center, National Institute of Forest Science) ;
  • Yu, Young Min (Department of Forest Management, Kangwon National University) ;
  • Cha, Du Song (Department of Forest Management, Kangwon National University)
  • 김명환 (강원대학교 산림경영학과) ;
  • 황진성 (국립산림과학원 산림기술경영연구소) ;
  • 유영민 (강원대학교 산림경영학과) ;
  • 차두송 (강원대학교 산림경영학과)
  • Received : 2018.06.19
  • Accepted : 2018.07.31
  • Published : 2018.09.30
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Abstract

This study examined the damage characteristics through investigation for a total of 10 factors (longitudinal position, crossing position, soil type, collecting well volume, outlet position, water apron material, waterway existence, pipe culvert diameter, pipe culvert gradient, pipe culvert height) affecting outlet damages of forest road cross drainage for forest roads in the Research Forest of Kangwon National University. We predicted outlet damages of forest road cross drainage for forest roads using a discriminant analysis Results showed that longitudinal position, crossing position, soil type and pipe culvert height did not affect damages caused to forest road cross drainage. Most influential factors affecting outlet damages were outlet position, waterway existence, pipe culvert diameter, pipe culvert gradient and collecting well volume, respectively. The discriminant ratio calculated from the developed discriminant function was 68.8% which is reasonably reliable.

본 연구는 강원대학교 학술림 임도를 대상으로 횡단배수구의 유출구 피해 유무에 영향을 미치고 있는 총 10개 인자를 조사하여 피해특성을 파악하였다. 그 결과는 다음과 같다. 임도횡단배수구 피해유무에 영향을 미치지 않은 인자는 배수구의 종단위치, 횡단위치, 토질 및 관암거 높이이며, 피해영향에 관련된 인자는 유출구 위치, 도수로 유무, 관암거 직경, 관암거 경사, 집수정 크기 등의 순으로 영향을 미치고 있다. 또한 이들 인자를 이용하여 임도횡단배수구 유출구 피해유무 예측을 위한 판별함수식을 도출하였으며, 판별적중률은 68.8%로 산출되었다.

Keywords

References

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